Is COST or TMUS cheaper?

On trailing earnings, TMUS is cheaper: COST trades at a 49.41 P/E and TMUS at 20.12.

Which has grown faster, COST or TMUS?

Over the past five years, COST grew revenue faster — COST at a 9.48% CAGR versus TMUS at 3.28%.

Does COST or TMUS pay a bigger dividend?

COST yields 0.55% and TMUS yields 2.08% based on trailing dividends and the latest price.

Is COST or TMUS more profitable?

TMUS runs the higher net margin — COST at 3.01% versus TMUS at 11.65%.

Which has been the better investment, COST or TMUS?

Over the past 10-year, COST delivered the higher annualized total return — COST at 21.26% versus TMUS at 16.76%. Past performance doesn't predict future results.

Costco Wholesale Corporation (COST) vs T-Mobile US, Inc. (TMUS)

TMUS leads on 11 of 17 compared metrics.

A side-by-side comparison of Costco Wholesale Corporation and T-Mobile US, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 13, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

COST

Costco Wholesale Corporation

$435.65B

$982.35Consumer Defensive

TMUS

T-Mobile US, Inc.

$204.64B

$189.10Communication Services

Total return — COST vs TMUS

growth of $100 · last 19y

COST +1682.2%TMUS +231.2%COST compounded faster

Log scale — wide-divergence pair

COST TMUS

COST vs TMUS: by the numbers

•COST is the larger company ($435.65B vs $204.64B market cap).
•TMUS trades at the lower earnings multiple (20.12 vs 49.41 P/E).
•TMUS converts more revenue to profit (11.65% vs 3.01% net margin).
•COST grew revenue faster over the past five years (9.48% vs 3.28% CAGR).
•TMUS pays the higher dividend yield (2.08% vs 0.55%).

Which is better, COST or TMUS?

Metric tally: COST 6 · TMUS 11

It depends on what you're optimizing for:

ValueTMUS(lower P/E)

GrowthCOST(faster 5Y revenue CAGR)

IncomeTMUS(higher dividend yield)

QualityCOST(higher ROIC)

Valuation

Metric	COST	TMUS
P/E ratio	49.41	20.12●
Forward P/E	43.40	13.93●
P/S ratio	1.49●	2.30
P/B ratio	13.03	3.73●
PEG ratio	5.23●	40.42
EV / EBITDA	29.43	11.58●
FCF yield	2.02%	8.73%●

Profitability

Metric	COST	TMUS
Gross margin	12.88%	54.34%●
Operating margin	3.82%	20.36%●
Net margin	3.01%	11.65%●
ROE	26.38%●	18.87%
ROIC	19.44%●	7.04%

Dividends

Metric	COST	TMUS
Dividend yield	0.55%	2.08%●
Payout ratio	29.44%	40.41%

Growth (annualized)

Metric	COST	TMUS
Revenue CAGR (5Y)	9.48%●	3.28%
EPS CAGR (5Y)	15.04%	29.48%●
FCF CAGR (5Y)	4.95%	45.55%●
Total return CAGR (5Y)	21.56%●	6.34%

Frequently asked

Which is better, COST or TMUS?: It depends on your goal. value: TMUS (lower P/E); growth: COST (faster 5Y revenue CAGR); income: TMUS (higher dividend yield); quality: COST (higher ROIC). Across all compared metrics, TMUS leads 11 to 6.
Is COST or TMUS cheaper?: On trailing earnings, TMUS is cheaper: COST trades at a 49.41 P/E and TMUS at 20.12.
Which has grown faster, COST or TMUS?: Over the past five years, COST grew revenue faster — COST at a 9.48% CAGR versus TMUS at 3.28%.
Does COST or TMUS pay a bigger dividend?: COST yields 0.55% and TMUS yields 2.08% based on trailing dividends and the latest price.
Is COST or TMUS more profitable?: TMUS runs the higher net margin — COST at 3.01% versus TMUS at 11.65%.
Which has been the better investment, COST or TMUS?: Over the past 10-year, COST delivered the higher annualized total return — COST at 21.26% versus TMUS at 16.76%. Past performance doesn't predict future results.

Go deeper

Full COST analysis Full TMUS analysis Interactive comparison tool

Dig into the metrics

Costco Wholesale P/E ratio T-Mobile US P/E ratio Costco Wholesale dividend yield T-Mobile US dividend yield Costco Wholesale ROE T-Mobile US ROE Costco Wholesale operating margin T-Mobile US operating margin Costco Wholesale revenue growth T-Mobile US revenue growth Costco Wholesale free cash flow T-Mobile US free cash flow

Costco Wholesale & T-Mobile US appear in these rankings

Highest Dividend Yield Stocks Highest ROE Stocks Highest ROIC Stocks Highest FCF Yield Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 13, 2026.